Machine for shaping uppers over lasts



May 2, 1939. B. JORGENSEN 2,156,393

MACHINE FOR SHAPING UPPERS OVER LASTS Filed July 6, 1938 4 Sheets-Sheet l mum/747? M 4;.

y 1939. B. JORGENSEN 2,156,393

MACHINE FOR SHAPING UPPERS OVER LASTS Filed July 6, 1938 4 Sheets-Sheet? igt y 1939- B. JORGENSEN 2,156,393

MACHINE FOR SHAPING UPPERS OVER LASTS Filed July 6, 1938 4 Sheets-Sheet 3 May 2, 1939. B. JORGENSEN MACHINE FOR SHAPING UPPERS OVER LASTS Filed Jqly 6, 1938 4 Sheets-Sheet 4 Flgrfi.

Patented May 2, 1939 UNITED STATES PATENT QFFHCE Bernhardt Jorgensen, Marblehead, Mass, assignor to United Shoe Machinery Corporation, Paterson, N. 1., a corporation of New Jersey Application July 6, 1938, Serial No. 217,795

47 Claims.

This invention relates to machines for shaping uppers over lasts, and. is herein illustrated as applied to a lasting machine of the same general type as disclosed in United States Letters Patent No. 2,075,852, granted on April 6, 1937, upon an application of mine. The invention has more particularly in view the provision of certain improvements in machines of that type, but it is to be understood that in various novel aspects it is not thus limited in its applicability.

The machine shown in the above-mentioned Letters Patent comprises, in a power-operated 0rganization, wipers for wiping the margin of the toe end of an upper inwardly into lasted position over an insole on a last positioned bottom upward, means for wiping the upper about the toe heightwise of the last in response to downward movement imparted to the last before the wipers thus act on the upper, and a device for clamping or gripping the margin of the upper at the end of the toe and to some extent also along the sides of the toe and for pulling the upper heightwise of the last in response to the downward movement of the last. For convenience in inserting 25 the margin of the upper in this device, and to avoid interference with other parts of the machine, the device is arranged to clamp or grip the upper in a location spaced a substantial distance outwardly from the edge of the insole and to maintain the lasting margin in an outspread or outwardly flaring relation to the last and insole during the upper-pulling operation. For greater effectiveness in pulling the upper and in preventing the formation of wrinkles, the device is further arranged to grip the margin of the upper. initially at a substantial distance from its edge, in a location substantially opposite the edge of the insole lengthwise and widthwise of the last, the upper being permitted to slip more or less-in the device as the pull is applied thereto.

In the use of a machine constructed as above described to last the toe of a shoe in which the margin of the upper immediately beyond the toeend portion is held in overlaid position on the insole by pulling-over tacks, or in which the margin of the upper has already been fastened in lasted position over the insole from the toe portion rearwardly, the manner in which the margin of the upper is thus held or fastened adja- 50 cent to the toe portion prevents: the above-mentioned clamping device from engaging and acting efiectively on the upper as far along the sides of the toe as would in some cases be desirable for the best results in the shaping of the upper tightly over the last. An object of the present invention accordingly is to provide improved means for applying a pull to the toe portion of the upper in the lasting operation, so that the pull will in any case be as efiective at the sides of the toe as at the end of the toe. 5 For the purposes in view the machine herein shown comprises a device, hereinafter sometimes referred to as an end gripper, constructed substantially as disclosed in the above-mentioned Letters Patent for gripping and pulling the. toe end of the upper, except that it does not extend so far around the toe as in the earlier construction but is limited substantially to engagement with the upper at the end of the toe, and grippers separate from this device and arranged to grip and pull the upper in a different manner at the sides of the toe. As illustrated, these side grippers are arranged to grip the margin of the upper in locations nearer its edge than the end gripper and to pull the upper with its margin upstanding, i. e., extending heightwise of the last in substantially perpendicular relation to the shoe bottom, instead of being outspread as at the end of the toe. While the margin of the upper at the end of the toe is permitted to slip in the end gripper as heretofore in the course of the upper-pulling operation, the side grippers which grip the upper nearer its edge are arranged to hold the upper with an unslipping grip, but are so controlled as to permit them to yield in a direction heightwise of the last in response to resistance of the upper to the force of the pull and thus to avoid any danger of an excessive pull. In the machine shown in the above-mentioned Letters Patent provision is afforded for closing the upper-clamping device on the margin of the upper by depression of a treadle prior to the starting of the power operation of the machine, so that the operator may be sure that the upper is properly clamped before the pull is applied thereto. For purposes of the present invention the construction herein shown is such that both the end gripper and the side grippers are closed prior to the starting of the power operation, the end gripper being first closed by depression of a treadle and the side grippers being thereafter closed by a second depression of the same treadle. To bring about this sequence of operations, novel mechanism is provided for preventing the treadle from acting on the side grippers until .after it has been depressed to close the end gripper and has returned to its starting position. It is a further desirable characteristic of the construction herein shown-that the side grippers prior to their closing action are moved inwardly widthwise of 55 the shoe from initial retracted positions, such as not to interfere with the mounting of the work in the machine, into upper-gripping positions substantially over the edge of the insole, such inward movements of the grippers as well as their closing movements resulting from depression of the above-mentioned treadle. It has been found that in operating onv a shoe in which the upper adjacent to the toe portion is held by pulling-over tacks, or in which the upper has been previously lasted from the toe portion rearwardly, the-margin of the upper along the sides of the toe, after the closing of the end gripper, is

positioned in such upstanding relation to the shoe bottom that the side grippers ordinarily may be moved inwardly and then immediately closed on the margin by a continuous movement of the treadle without the necessity for any attention on the operators part to arrangement of the margin between the side gripper jaws.

The means herein shown for pulling the upper at the sides of the toe embody further novel features of the invention, gripper-positioning and closing movements and to control of the force of the pull applied to the upper, these features, in certain aspects of the invention, being of general applicability regardless of the number of grippers utilized or of the location or locations where the pull is applied to the upper. With respect to control of the force of the pull, the side grippers herein shown, which are arranged to extend generally widthwise of the last for convenience in presenting and removing the work, are mounted for swinging movements in directions heightwise of the last and are controlled in these movements by levers which are movable similarly to the grippers against the resistance of springs in response to the pull of the upper on the grippers. With respect to the gripper-positioning and closing movements, each side gripper comprises a jawcarrying member which is movable inwardly from an initial retracted position by the action of a jaw-closing member thereon prior to the closing of the gripper jaws by this member, the inward movement of the jaw-carrying member being thus effected through a spring which is thereafter yieldable to permit the closing of the jaws by further movement of the jaw-closing member. The construction shown further comprises a crank member associated with each side gripper for thus operating its jaw-closing member, a spring through which the jaw-closing member is operated by the crank member, and a device arranged to lock the crank member against reverse movement and thus to maintain the gripper in upper-gripping position with its jaws closed on the upper.

The above and other features of the invention, including various novel details of construction and combinations of parts, will now be more particularly described with reference to the accompanying drawings and thereafter pointed out in the claims.

In the drawings,

Fig. l is a view in front elevation of the lefthand portion of a machine in. which'the invention is embodied, with parts broken away;

Fig. 2 shows also in front elevation, in'greater detail, certain parts that are shown in Fig. 1, with the parts in different positions than in Fig. 1;

Fig. 3 is a plan view of a portion of the structure shown in Fig. 1, with the parts in their initial positions;

Fig. 4 shows the same portion of the machine relating especially to as Fig. 3, as viewed in elevation from the right of Fig. l, the parts being shown in their initial positions and the shoe and last being sectioned at the ball portion;

Fig. 5 is a section on the line VV of Fig. 3;

Fig. 6 is a detail view of certain parts in rear elevation;

Fig. '7 shows partly in plan and partly in section a portion of the structure which appears in elevation in the lower portion of Fig. 4;

Fig. 8 is a view partly in elevation and partly in section. showing one of the side grippers holding the upper under tension; and

Fig. 9 is a vertical sectional view lengthwise of the shoe, illustrating how the margin of the upper is gripped at the end of the toe before the pull is applied.

In view of the disclosure in the above-mentioned Letters Patent and the further disclosure of certain details in Letters Patent No. 2,101,069, granted on December '7, 1937, upon an application of mine, only such portions of the complete machine are herein shown as it is necessary to refer to for an understanding of the novel features of this invention, and the construction and operation of such parts as are common to the prior disclosures will be only'briefly hereinafter described. The drawings illustrate only the lasting 0f the toe portion of the shoe, although it will be understood that amachine in which the invention is embodied may also include, for example, heel-end lasting means in accordance with the disclosure of Letters Patent No. 2,075,- 852.

A machine of the illustrated type includes in its organization a heel-end support (not herein shown) which is yieldingly depressible with the last and shoe in the lasting operation, and also a toe rest 2 which supports the forepart of the shoe and is likewise depressible against the resistance of a spring l. Downward movement of the shoe is effected automatically at the beginning of the power operation of the machine by a toe presser foot 6 (Figs. 1 and 8) arranged to engage the toe end of the insole and a heel presser foot (not shown) which engages the insole at the heel end. The toe presser foot 6 is carried by an arm 8 supported on two alined posts It] and 52 which are mounted for vertical movements and for turning movements in bearings in the frame. By means of a handle M on the arm 8 the operator swings the arm forwardly to a position in which the toe presser foot 6 is over the toe end of the insole, and as a result of such movement of the arm the machine is started in operation. The posts iii and i2 are then moved vertically downward to cause the toe presser foot to engage the insole and to depress the toe end of the shoe a certain distance, the heel presser foot operating at the same time to depress the heel end of the shoe. As a result of such depression of the shoe the toe portion of the upper is wiped upwardly by a toe band l6 which embraces the toe end of the shoe. Thereafter the margin of the toe portion of the upper is wiped inwardly over the insole into position to adhere to the insole by a pair of toe-embracing wipers it? which are advanced lengthwise of the shoe and are closed inward laterally of the shoe. These wipers may, as herein shown, be so extended lengthwise of the shoe as to overlap the margin of the upper somewhat heelwardly of the toe portion of the shoe. After a short dwell of the wipers, which are preferably heated, in pressure-applying relation to the overwipedmargin of the upper, the parts of the machine are returned to their starting positions. For a better understanding of the construction and operations thus far briefly described the previously mentioned Letters Patent may be consulted.

Similarly also in many respects to the disclosure of Letters Patent No. 2,075,852, the machine herein shown is further provided with means for clamping or gripping the margin of the toe end of the upper prior to the starting of the power operation of the machine, so that in response to the depression of the shoe a pull height wise of the last is applied to the upper as it is wiped upwardly by the toe band I6. This clamping means, sometimes referred to herein as an end gripper, comprises a lower clamp member 28 positioned over the toe wipers I8 to receive the margin of the upper outspread and another clamp member 22 movable downwardly to clamp the margin of the upper upon the lower clamp member. In the construction herein shown these members are so formed that they are limited substantially to engagement with the upper at the end of the toe instead of extending also along the sides of the toe as in the earlier construction. As illustrated in Fig. 9, the two clampmembers are arranged to engage the upper in a location spaced lengthwise of the shoe from the edge of the insole, so that in the upper-pulling operation they maintain the lasting margin of the upper in an outspread or outwardly flaring relation to the last and the insole. The lower clamp member 20 is secured to a bracket 24 which for purposes of adjustment is mounted to turn about a shaft 26 rotatable for a. purpose hereinafter described in bearings on a cover plate 28 over the wipers. Screws 30 (Fig. 3) threaded in the bracket 24 rest on the cover plate 28 to determine adjustably the height of the lower clamp member 2!]. The clamp member 22 is secured to a pair of arms 32 provided with slots 34 through which the shaft 26 extends, these slots being arranged to permit such bodily movements of the arms as to advance the clamp member 22 lengthwise of the shoe from a somewhat retracted initial position as well as to permit swinging movements of the arms to carry the member 22 into upper-clamping position. Mounted for limited swinging movements about pins 36 carried by the arms 32 are blocks 38 provided with pins 46 which are connected by links 42 to crank arms 44 fast on the shaft 26. Springs 46 which in the construction herein shown are mounted in sockets in the arms 32 and engage the blocks 38 tend to swing the blocks in a counterclockwise direction (Fig. 1) about the pins 36 and hold them normally in positions determined by engagement with shoulders (not shown) on the arms. Other springs 48 connected to the pins 40 and to brackets 50 fast on. the cover plate 28 tend to move the arms 32 bodily toward the left (Fig. l) and also to swing them in the direction to lift the clamp member 22, their bodily movements being limited by the shaft 26 and the slots 34 and their swinging movements being limited by their engagement with the cover plate 28. The movement of the clamp member 22 into operative position is effected by turning the shaft 26 in a clockwise direction (Fig. 1). In this operation the crank arms 44 act through the links 42 first to advance the arms 32 bodily as far as permitted by the slots 34 and thento swing them about the axis of the shaft 26 to carry the clamp member 22 into upper-clamping position, the final clamping pressure being applied through the springs 46 in response to swingtending through a hole in this block is the upper end portion of a rod 58. Between the block 54' and nuts 66 on the rod 68 is a compression spring 62 engaging a washer 64 at its upper end. This spring is normally fully expanded and transmits movement from the rod 58 to the arm 62, the spring being of such strength that ordinarily it does not yield. At its lower end the rod 58 is pivotally connected by a pin 66 to a pawl 68 supported on one arm of a lever it which is mounted to swing about a shaft l2,'this shaft being mounted in bearings in a bracket I4 secured to a casting I6 (Fig. 4) which as heretofore, supports the toe band. I 6 and the wipers I8. Fast in the pawl 68 is a pin '58 by which it is pivotally mounted on a bifurcated portion of the lever I6 (Fig. 7). For a purpose which will hereinafter appear the pawl 68 is provided for turning the shaft I2 in response to swinging movement of the lever '56 in a clockwise direction (Fig. 1), the right-hand end of the pawl being arranged to engage a shoulder 86 formed on a collar 82 which is fastened to the shaft by a set screw 84. A leaf spring 86 fastened on the lever 'Ifl engages the pawl to hold it normally in position thus to act on the shoulder 88. It is not desired, however, to turn the shaft 12 at the time when the end clamp member 22 is moved into upper-clamping position, and accordingly when the lever I0 is swung for this purpose the pawl 68 immediately swings about the axis of the pin "88 against the resistance of the comparatively light spring 86 until its right-hand end is clear of the shoulder 88, by reason of the greater resistance to upward movement of the rod 58 afforded by the springs 48 which control the member 22. Such swinging movement of the pawl is limited by contact of the end portions of the pin 66 with faces 6'! (Fig. '7) on the lever 18. It will be understood that the expanded spring 62 is in position to cause the rod 58 to act on the arm 52 without any lost motion, so that the resistance of the springs 48 is efiective to cause the swinging of the pawl 68 into position to clear the shoulder 80 at the very beginning of the movement of the lever "I6. This lever is operated by a treadle 88 pivoted at 90 on the frame of the machine and depressible against the resistance of a spring 92, the treadle being connected to the lever "l6 by a cable 94. A screw 96 threaded in a lug on the bracket 74 serves as a stop in engagement with 9. lug 88 on the lever 70 to limit the movement of the lever in case, for example, the parts are operated with no shoe in the machine. Return movement of the lever H! is effected by a torsion spring I08 extending around one of the bearings for the shaft 12 (Fig. '7) with its opposite ends in en gagement respectively with the lug 98 on the lever and with an arm E82 (Fig. 1) on the bracket I4. A screw I64 carried by the lever engages the arm I02 to limit such return movement of the lever.

After the end clamp member 22 has been moved to upper-clamping position by depression of the treadle 88 as above described, it is locked in that position by mechanism which difiers but little from the disclosure of Letters Patent No. 2,075,852. This mechanism comprises a detent I66 (Figs. 1 and 2) mounted on the previously mentioned stem 53 which is carried by the crank arm 52, the detent having at its lower end a laterally extending finger ltd. A springpressed plunger IIG mounted in the arm 52 tends to swing the detent about the stem 5% in the direction to carry a screw II2 which is threaded therein into engagement with a lug lid on the arm 52. When the arm 52 is in its initial position, however, as shown in Fig. 1, the detent I96 is held in a position in which the screw II? is spaced from the lug I I i by reason of engagement of the detent with a lug HE formed on a plate I I8 which is fast on one end of a shaft I29 (Figs. 1 and 3), this being a shaft which by turning movement in a clockwise direction (Fig. 1) imparts, as heretofore, to the wipers I8 their operative movements. When the crank arm 52 is swung upwardly by depression of the treadle 88 to move the clamp member 22 into upperclamping position the detent I55 is raised until its laterally extending finger Hi8 clears the lug H6, whereupon the plunger Ilfi swings the detent into the position in which it is shown in Fig. 2. It will thus be seen that the lug lit by engagement with the finger E68 serves to hold the clamp member 22 in upper-clamping position. When in the course of the operation of the machine the shaft I2!) is turned to operate the wipers the lug H6 is carried out from under the finger Hi8, thus permitting the clamp member to be returned to its initial position by the springs 18. The arrangement of the parts is such that the clamp member is thus released substantially at the time when the wipers begin to wipe the margin of the upper inwardly over the insole. In the construction herein shown there is further provided means whereby the operator may, if he wishes, conveniently cause the clamp member 22 to return to its initial position before he starts the power operation of the machine in case the upper has not been properly clamped. This means comprises a lever I22 pivotally mounted at its lower end on a plate I25 which is fastened on the casting Hi, this lever ,being provided with a pin I26 for engaging the detent Hi6 and swinging its finger I518 from over the lug IIB to release the arm 52.

The machine is further provided, for purposes of this invention, with side grippers I23 arranged ,to grip the margin of the upper at the sides of the toe and to pull the upper heightwise of the last simultaneously with the end gripper as the shoe is depressed within the toe band I6. The gripper which thus acts on the upper at the side of the shoe which is toward the front of the machine will be sometimes referred to hereinafter as the front gripper and the other one as the rear gripper. These two grippers and the mechanisms for operating and controlling them are, for the most part, substantially alike. Each gripper comprises a jaw-carrying member or bar I30 extending substantially horizontally over the cover plate 28 in a direction widthwise of the shoe and provided at its inner end with a pair of upper-gripping jaws I32 and I 34 (Fig. 5). The jaw E32 is detaohably secured in fixed relation to the bar I38 by a pin I33 on which the jaw I33 is mounted to swing. The jaws are intended to hold the upper with an unslipping grip, the jaw I32 being provided for this purpose with a projection I38 located opposite a recess I40 in the other jaw. Pivotally connected at its inner end to the jaw I34 is a jaw-closing rod I42 the outer end portion of which extends through a trunnion block Hi l provided with pins I46 rotatably mounted in a pair of crank members I48. These crank members are spaced from each other to receive the trunnion block between them and are keyed to a rockshaft 15B mounted in a bracket I52 which is secured to the cover plate 28. In

response to turning movement of the shaft I50.

the two crank members I it act as a unit to impart through the trunnion block I44 inward movement to the jaw-closing rod M2, the construction being such that by this movement of the rod the bar I3ii is first moved inwardly to carry the open gripper jaws widthwise of the shoe from an initial retracted position, such as to facilitate the mounting of the shoe in the machine, to upper-gripping position substantially over the edge of the insole. For this purpose there are provided two springs I54 and I56 through which the rod I42 extends and each of which abuts at one end against a collar I58 threaded on the rod. The other end of the spring I54 abuts against one end of the trunnion block Edd which is confined on'the rod by nuts I60. The other end of the spring I56 abuts against a thimble Hi2 slidingly mounted on the rod I42 and engaging a shoulder I64 on the bar I30. It will thus be seen that the trunnion block I44 acts on the rod I 42 through the spring I54 and that the rod acts on the bar I39 through the spring 555. Through both springs, therefore, the bar ifii! is first moved inwardly, after which the spring I56 yields to permit the rod I42 to move relatively to the bar I30 and thus to impart upper-gripping movement to the jaw I 34 in response to continued movement of the crank members Hi8. After the upper has been gripped the spring I 5 5 may yield in response to further movement of the trunnion block Hi l, the upper therefore being held by the jaws through the force of this spring.

For supporting the bar 36 and guiding it in its movements, there are provided two pins I66 and IE8 on which the bar rests near its inner and outer ends, respectively. The pin IE8 is mounted in the bracket I52 and extends through a slot lit in the bar, so that it prevents any upward movement of the outer end portion of the bar and serves as a fulcrum about which the bar may swing in directions heightwise of the shoe,

, and threaded in the outer end of the bar is a screw I12 which by engagement with the pin I68 limits adjustably the inward movement of the bar to determine the upper-gripping position of the gripper jaws laterally of the shoe. It will be understood that it is after the inward movement of the bar has been stopped by the pin I68 that the rod I 42 moves relatively to the bar to cause the jaws to grip the upper. The pin I66 which underlies the inner end portion of the bar E38 is carried by the inner end of a lever I14 mounted to swing heightwise of the shoe on a pin Ilfi which. is supported in a member fast on the cover plate 28. Connected to the outer end of this lever is a spring H8 controlled as hereinafter described, this spring tending to swing the inner end of the lever upwardly. A screw I89 threaded in the lever I'M and engaging the top of the cover plate 28 limits adjustably such swinging movement of the lever and accordingly determines the normal height of the gripper jaws. As the shoe is depressed the spring I18 may yield in response to the pull of the upper on the gripper jaws, thus avoiding any danger of damaging an upper by subjecting it to excessive tension. To permit such swinging movement of the lever Il' l against the resistance of the spring I78 the cover plate 28 is provided with a recess I82 located under the pin I66 and the inner end of the lever. Fast on the top of the inner end portion of the lever is a plate I84 arranged to overlap a portion of the bar E36 to prevent any uncontrolled upward swinging movement of the'gripper jaws under the influence of the spring I18 when they release the upper. The bar I30 is further guided in its movements by engagement of one side thereof with the lever I'M and by the engagement of its opposite side I with a member I88 fast on the cover plate 283.

Each of the springs I73 is connected at its lower end to a crank arm I58 fast on one end of a shaft IQI] mounted in bearings in the bracket I52. Fast on the other end of each shaft I98 is a crank member I92 by which the shaft may be turned to vary the tension of the spring I18. These two crank members are connected together by a flexible cable wt (Fig. 4) and are provided with segmental portions having grooves I96 therein to receive this cable. The crank member 592 at the front of the machine isprovided with a spring-pressed pin E98 (Fig. 1) ar ranged to enter any one of a plurality of holes 269 (Fig. 4) provided in a segmental portion of a bracket 202 secured to the front bracket i512. A knob 294 on the pin W8 serves as means whereby the pin may be withdrawn from any one of the holes 295 and also as means for swinging the front crank member E92. It will be understood that the rear crank member swings in unison with the front member, and accordingly the tensions of the two springs Hi8 are simultaneously varied equal amounts tovary the forces with which the respective grippers will pull the upper. Since both springs I18 are always under tension, the rear spring serves to keep the cable I9 3 taut at all times.

For operating the crank members M8 to move the grippers inwardly and to cause them to grip the upper, there is fast on each of the rock shafts I58 a crank arm 2% (Figs. 3 and 4). The arm 2% at the front of the machine is connected by a flexible cable 288 to a crank arm 2W (Fig. 7) fast on the previously mentioned shaft '12, the

.arm 2H3 carrying a screw 2I2 arranged to engage the bracket 14 to prevent the arm from being swung too far upwardly. I'he rear crank arm 2% is connected by a cable 2H3 to an arm 2H8 which is pivotally mounted on a pin 2I8 carried by another arm 220 fast on the shaft I2. A screw 222 carried by the arm 2H6 is arranged to engage the arm 220 (Fig. l) to determine adjustably the position of the arm 2 it relatively to the arm 22c. It will be understood that operative downward movements of the crank arms 2% result from the turning of the shaft I2 in a clockwise direction (Fig. i) in response to depression of the treadle 88, through engagement of the pawl 68 with the shoulder 86 on the member 82 which is fast on the shaft as hereinbefore described. As previously explained, the pawl is inoperative thus to turn the shaft at the time when the treadle 88 is depressed to move the end clamp member 22 into upper-clamping posi tion, and accordingly the clamping of the end of the upper occurs while the side grippers are open and in their retracted positions. When the treadle is next depressed, however, the pawl and 2% to their starting positions.

68 remains in position to act on the member 82, since the crank arm 52 is locked in such an would cause the pawl to swing against the resistance of the spring 85.

- For maintaining the side grippers normally in their initial retracted positions, each pair of crank members I48 is controlled by a spring 224 (Figs. l and 5) the upper end of the spring being connected to a pin 2% (Fig. 1) which extends between the two crank members and its lower end being connected to a pin 228 carried by a latch 236 which is'mounted to swing about the shaft fill]. The spring thus tends both to swing the crank members in the direction to retract the gripper and also to hold the latch 23!] against the curved periphery of a segmental portion of one of the crank members, as illustrated in Fig. 5. The initial position of the gripper is determined by engagement of the ends of the pin 2% with lugs 23I on the bracket 52. The crank member M8 engaged by the latch is provided with a notch 232 which receives the latch when the two crank members have been swung far enough to cause the gripper to grip the upper. Accordingly the two grippers are locked by the respective latches in upper-gripping positions with their jaws closed when the operator releases the treadle 88. Fastened to each latch is a handle 2% for swinging it out of the notch 232, so that if the upper is not properly gripped the operator may cause the grippers to open and return to their initial positions. It will be understood that the springs 224 effect such return movements of the grippers, the trunnion blocks I44 acting on the nuts I58 to move the rods M2 outwardly and these rods imparting outward movements to the bars I3t by reason of engagement of the open jaws I3 l with shoulders 235 on the bars. In this operation the two cables 2118 and 2M are moved upwardly by the two crank arms 2% to return the arms ZIO There is further provided means for operating the latches it!) automatically to cause the side grippers to release the upper at substantially the same time in the power operation of the machine when the end gripper releases the upper, that is, substantially at the time when the wipers begin to wipe the margin of the upper inwardly over the insole. The means for thus operating the latch which controls the front gripper comprises a bell-crank lever 236 (Fig. l) mounted on the bracket 552, one arm of this lever carrying a screw 238 the upper end of which is under the tail portion of the latch 239 (Fig. 5) for retract- 7 ing the latch when this arm swings upwardly. For operating this bell-crank lever its other arm is connected by a link 2 56 (Fig. l) to the previously mentioned plate IIB which is fast on the front end of the wiper-operating shaft I20. Accordingly, when this shaft is turned in the direction to operate the wipers operative movement is imparted to the bell-crank lever 236 substantially at the time when the lug M6 on the plate H8 releases the crank arm 52 which controls the end clamp member 22. For similarly operating the latch 230 which controls the rear gripper, a bell-crank lever 252 (Figs. 4 and 6) mounted on the rear bracket I52 carries a screw 2M which underlies a tail on the latch, this bell-crank lever being connected by a link 246 to a crank arm 248 fast on the rear end of the shaft I20.

In the use of the machine the operator mounts a shoe and its last bottom upward on the heelend support and on the toe rest 2. Such a shoe, as herein illustrated, may be one which has been previously lasted from the toe portion rearwardly, at least along the ball and shank portions, and may also have pulling-over tacks t located immediately at the rear of the toe portion and clinched on the usual last bottom plate. When the shoe is thus presented its toe end is held by the toe rest 2 at such an elevation that the edge of the insole is higher than the toe band It and the edges of the wipers l8; and the lower clamp member 28 of the end gripper, positioned immediately above and close to the wipers, is arranged to engage the margin of the upper outspread in a location at substantially the same height as the edge of the insole and spaced lengthwise of the insole from the edge of the latter. After'arranging the margin of the end of the upper in proper position over this clamp member, the operator depresses the treadle 88 to move the cooperating clamp member 22 into upper-clamping position, this member being locked in that position by engagement of the lug MS with the detent finger Hi8. As previously explained, this depression of the treadle does not impart any turning movement to the shaft 72 and therefore has no efiect on the side grippers. If the operator should now observe that the margin of the end of the upper is not properly clamped, he may, by use of the lever 22, swing the detent finger H18 in such manner as to release the end clamp member 22. In that case he will proceed to rearrange the margin of the end of the upper and will then cause it again to be clamped by another depression of the treadle.

With the margin of the upper clamped at the end of the toe as above described, its opposite side margins extending from the end gripper to in upstanding relation to the shoe bottom, and

the jaws of the opposite side grippers are so arranged that when they have been moved inwardly into upper-gripping positions substantially over the edge of the insole the margins of the upper thus positioned will ordinarily be located between the jaws ready to be gripped when the jaws are closed. The jaws of these grippers are arranged to engage the upper in locations somewhat higher than the end gripper, in view of the upstanding positions of the side margins of the upper. By another depression of the treadle 88 the operator moves the side grippers from their initial retracted positions into their upper-gripping positions determined by engagement of the stop screws I12 with the pins 168 and closes the jaws on the upper by continued movement of the treadle, the latch members 230 entering the notches 232 of the crank members I48 to lock the grippers in their inner positions with the jaws closed. If the operator should observe that the margin of the upper is not properly gripped by the side grippers, he may cause them to open and return to their starting positions by use of the handles 234 to withdraw the latches 230 from the notches 232. He will then move the grippers inwardly again by the treadle, taking care to insure that the upper is properly positioned between the gripper jaws before the treadle is moved far enough to close the jaws.

After the upper has been gripped at the end and the sides of the toe as above described, the operator starts the power operation of the ma- 7 edge of the insole.

operating heel presser. foot, causing the toe band It to wipe the upper upwardly toward the edge of the insole. In this operation the upper is pulled heightwise of the last by the end and side grippers, the upper slipping more or less in the end gripper as the pull is applied, but being held with an unsliping grip by the side grippers, since these grippers grip the upper nearer its edge than the end gripper. These side grippers, however, are yieldingly movable against the resistance of the springs H8 in response to the pull of the upper on the gripper jaws, so that insurance is aiforded against an excessive pull, the springs being adjustable to vary the force of the pull. By reference to Fig. 8 it will be seen that in the upper-pulling operation the lasting margin of the upper is maintained by the side grippers in substantially perpendicular relation to the shoe bottom and substantially in contact with the After the depression of the shoe the toe wipers are advanced and closed to wipe the margin of the upper inwardly over the tracted and the shoe is released to permit it to;

be removed from the machine.

Having described the invention, what I claim as new and desire to secure by Letters Patent of the United States is:

1. In a machine for shaping uppers over lasts, a device for embracing an upper about the toe end of a last and for wiping the upper heightwise of the last, means for effecting relative movement of said device the last to cause the device thus to act on the upper, means for pulling the upper heightwise of the last at the end and the sides of the toe in the course of said relative movement, said upper-pulling means being arranged to maintain the lasting margin of the upper outspread at the end of the toe and in substantially perpendicular relation to the shoe bottom at the sides of the toe in the upper-pulling operation, and means for wiping the margin of the upper about the toe inwardly over the bottom of the last into lasted position after the pulling of the upper.

2. In a machine for shaping uppers over lasts, a device for embracing an upper about the toe end of a last having an insole thereon and for wiping the upper heightwise of the last, means for moving the last heightwise relatively to said device to cause the device thus to act on the upper, an end gripper and side grippers for pulling the upper respectively at the end and the sides of the toe in response to such movement of the last, the end gripper being arranged to maintain the lasting margin of the upper outspread by engaging it in a location spaced lengthwise of the last from the edge of the insole, the side grippers being arranged to maintain the lasting margin in generally upstanding relation to the shoe After the upper bottom by engaging it in locations spaced subtoeinwardly over the insole into lasted position after the pulling of the upper by the grippers.

3. In a machine for shaping uppers over lasts, a device for embracing an upper about the toe end of a last and for wiping the upper heightwise of the last, means foreffecting relative movement of said device and the last to cause the device thus to act on the upper, an end gripper and side grippers for pulling the upper respectively at the end and the sides of the toe in the course of said relative movement, the end gripper being arranged to maintain the lasting margin of the upper outspread while permitting the upper to slip therein in the upper-pulling operation, the side grippers being arranged to maintain the lasting margin in generally upstanding relation to the shoe bottom while holding it with an unslipping grip as the pull is applied, spring means against the resistance of which the side grippers are yieldable heightwise of the last in response to resistance of the upper to the force of the pull, and means for wiping the margin of the upper about the toe inwardly over the bottom of the last into lasted position after the pulling of the upper by the grippers.

4. In a machine for shaping uppers over lasts, a device for embracing an upper about the toe end of a last having an insole thereon and for wiping the upper heightwise of the last, means for moving the last heightwise relatively to said device to cause the device thus to act on the upper, an end gripper and side grippers for pulling the upper respectively at the end and the sides of the toe in response to such movement of the last, the end'gripper being arranged to maintain the lasting margin of the upper outspread by engaging it in a location spaced lengthwise of the last from the edge of the insole while permitting the upper to slip therein in the upper-pulling operation, the side grippers being arranged to grip the upper initially in locations spaced substantially the same distance apart as the opposite side edges of the toe end of the insole and to hold the lasting margin in generally upstanding relation to the shoe bottom while maintaining an unslipping grip thereon as the pull is applied, spring means against the resistance of which the side grippers are movable heightwise of the last in response to resistance of the upper to the force of the pull, and means for wiping the margin of the upper about the toe inwardly over the insole into lasted position after the pulling of the upper by the grippers.

5. In a machine for shaping uppers over lasts, a device for embracing an upper about the toe end of a last positioned bottom upward and having an insole thereon and for wiping the upper heightwise of the last, means for depressing the last to cause said device thus to act on the upper, an end gripper and side grippers for pulling the upper respectively at the end and the sides of the toe in response to the depression of the last, the end gripper being arranged to engage the margin of the upper initially in a location spaced lengthwise of the last from the edge of the insole and substantially opposite the edge of the insole lengthwise thereof, the side grippers being arranged to engage the margin of the u per in locations higher than the end gripper and substantially over the edge of the insole, and means for wiping the margin of the upper about the toe inwardly over the insole into lasted position after the pulling of the upper by the grippers.

6. In a machine for shaping uppers over lasts, a device'for embracing an upper about the toe an end gripper-and side grippers for pulling the upper respectively at the end and the sides of the toe in response to the depression of the last, the end gripper being arranged to maintain the lasting margin of the upper outspread while permitting the upper to slip therein in the upperpulling operation, the side grippers being arranged to engage the margin of the upper in locations higher than the end gripper and to hold it with an unslipping grip as the pull is applied, spring means against the resistance of which the side grippers are movable heightwise of the last in response to resistance of the upper to the force of the pull, and means for wiping the margin of the upper about the toe inwardly over the insole into lasted position after the pulling of the upper by the grippers.

'7. In a machine for shaping uppers over lasts, an end gripper and side grippers for pulling an upper over the toe of a last at the end and the sides of the toe respectively, means for effecting relative movement of said grippers and the last in a direction heightwise of the last to cause the grippers to pull the upper, the end gripper being arranged to maintain the lasting margin of the upper outspread while permitting the upper to slip therein in the upper-pulling operation, the side grippers being arranged to maintain the lasting margin in substantially perpendicular relation to the shoe bottom while holding it with an unslipping grip as the pull is applied, spring means against the resistance of which the side grippers are yieldable heightwise of the last in response to resistance of the upper to the force of the pull, and means for wiping the margin of the upper about the toe inwardly over the bottom of the last into lasted position after the pulling of the upper by the grippers.

8. In a machine for shaping uppers over lasts, an end gripper and side grippers for pulling an upper over the toe of a last positioned bottom upward with an insole thereon by engagement with the upper at the end and the sides of the toe respectively, means for depressing the last to cause the grippers thus to pull the upper, the end gripper being arranged to maintain the lasting margin of the upper outspread by engaging it in a location spaced lengthwise of the last from the edge of the insole and to permit the upper to slip therein in the upper-pulling operation, the side grippers being arranged to maintain the lasting margin of the upper in generally upstanding relation to the shoe bottom by engaging it in locations substantially over the edge of the insole and to hold the upper with an unslipping grip as the pull is applied, spring means against the resistance of which the side grippers are movable in response to resistance of the upper to the force of the pull, and means for wiping the margin of the upper about the toe inwardly over the insole into lasted position after the pulling of the upper by the grippers.

9. In a machine for shaping uppers over lasts, the combination with wipers for wiping the margin of the toe end of an upper inwardly over an insole on a last, of means for pulling the upper heightwise of the last at the end and the sides of the toe before its margin is wiped inwardly by said wipers, said upper-pulling means being arranged to clamp the margin of the upper outspread over the wipers at the end of the toe only and to hold the margin in upstanding relation to the shoe bottom substantially in contact with the edge of the insole at the sides of the toe in the upperpulling operation.

10. In a machine for shaping uppers over lasts, the combination with wipers for wiping the margin of the toe end of an upper inwardly over an insole on a last positioned bottom upward, of an end gripper and side grippers for pulling the upper heightwise of the last at the end and the sides of the toe respectively, the end gripper comprising a member positioned over said wipers and another member movable heightwise of the last toward the wipers to clamp the margin of the upper outspread against said first-named member, the side grippers being arranged to engage the upper initially in locations higher than said end gripper and substantially over the edge of the insole, and means for effecting relative movement of said grippers and the last in a direction heightwise of the last to cause the grippers to pull the upper before its margin is wiped inwardly by the wipers.

' 11. In a power-operated machine for shaping uppers over lasts, an end' gripper and side grippers for pulling an upper over the toe of a last at the end and the sides of the toe respectively, means for effecting relative movement of said grippers and the last in a direction heightwise of the last to cause the grippers to pull the upper in the power operation of the machine, the end gripper being arranged to maintain the lasting margin of the upper outspread and the side grippers to 'maintain it in generally upstanding relation to the shoe bottom in the upper-pulling operation, means to cause all said grippers to grip the upper prior to the starting of the power operation of the machine, and means for wiping the margin of the upper about the toe inwardly over the bottom of the last into lasted position after the pulling of the upper by the grippers. Y

12. In a power-operated machine for shaping uppers over lasts, a device for embracing an upper about the toe end of a last and for wiping the upper heightwise of the last, means for effecting relative movement of said device and the last to cause the device thus to act on the upper in the power operation of the machine, grippers arranged to grip the margin of the upper respectively at the end and the sides of the toe and to pull the upper heightwise of the lastin the course of said relative movement, means to cause said grippers to grip the upper prior to the starting of the power operation of the machine, wipers for embracing the toe end of the upper and for wiping its margin inwardly'over the bottom of the last into lasted position, and automatic means to cause said grippers to release the upper to permit its margin to be wiped inwardly by the wipers.

13. In a power-operated machine for shaping uppers over lasts, a device for embracing an upper about the toe end of a last and for wiping the upper heightwise of the last, means ,for effecting relative movement of said device and the last to cause the device thus to act on the upper in the power operation of the machine, grippers 'arranged to grip the margin of the upper respectively atthe end and the sides of the toe and to pull the upper heightwise of the last in the course or" said relative movement, means movable by the operator to close the end and side grippers on the upper prior to the starting of the power operation of the machine, locking devices associated respectively with the different grippers for holding them closed on the upper, wipers for embracing the toe end of the upper and for wiping its margin inwardlyiover the bottom of the last into lasted position, and automatic means for operating said locking devices torelease the grippers and permit them to open in time relation to the operation of the wipers.

14. In a power-operated machine for shaping uppers over lasts, a device for embracing an upper about the toe end of a last and for wiping the upper heightwise of the last, means for efiecting relative movement of said device and the last to cause the device thus to act on the upper in the power operation of the machine, grippers arranged to grip themargin of the upper respectively at the end and the sides of the toe and to pull the upper heightwise of the last in the course of said relative movement-means for moving the side grippers widthwise of the last from retracted positions into upper-gripping positions and for closing the end and side grippers on the upper prior to the starting of the power operation of the i machine, wipers for embracing the toe end of the upper and for wiping its margin inwardly over the bottom of the last'into lasted position, and

automatic means to cause said grippers to release the upper in time relation to the operation of the wipers.-

15. In a power-operated machine for shaping uppers over lasts, grippers arranged to grip the margin of an upper on a last at the end and the sides of the forepart respectively, means for effecting relative movement of said grippers and the last to cause the grippers to pull the upper in the power operation of the machine, and means comprising a member common to all said grippers for moving the side grippers from re- 7 'tracted positions into upper-gripping positions and for closing the end and side grippers on the upper prior to the. starting of the power operation of the machine. V

16. In a power-operated machine for shaping uppers over lasts, grippers arranged to grip the margin of an upper on a last at the end and the sides of the forepart respectively, means for effecting relative movement of said grippers and the last to cause the grippers to pull the upper in the power operation of the machine, and means comprising a member common to all said grippers and movable by the operator first to cause the end gripper to grip the u per and then to move the side grippers from retracted positions into upper-gripping positions and to cause them also to grip the upper prior to the starting of the power operation of the machine.

17. In a power-operated machine for shaping uppers over lasts, grippers arranged to grip the margin of an upper on a last at the end and. the sides of the forepart respectively, means for effecting relative movement of said grippers and the'last to cause the grippers to pull the upper in the power operation of the machine, a grippercontrolling member movable by the operator, means to cause the end gripper to grip the upper in response to one movement of said member, and means to cause the side grippers thereafter to grip the upper in response to another movement of said member prior to the starting of the power operation of the machine.

18. In a power-operated machine for shaping uppers over lasts, grippers arranged to grip the margin of an upper on a last at the end and the sides of the forepart respectively, means for effecting relative movement of said grippers and the last to cause the grippers to pull the upper in the power operation of the machine, the side grippers being mounted for movements in directicns widthwise of the last from initial retracted positions into upper-gripping positions, a gripper-controlling member movable by the operator, means for closing the end gripper on the upper in response to one movement of said member, and means for moving the side grippers from their retracted positions to their uppergripping positions and for closing them on the upper in response to another movement of said member prior to the starting of the power operation of the machine.

19. In a power-operated machine for shaping uppers over lasts, grippers arranged to grip the margin of an upper on a last at the end and the sides of the forepart respectively, means for effecting relative movement of said grippers and the last to cause the grippers to pull the upper in the power operation of the machine, means movable by the operator to close the endv gripper and the side grippers on the upper prior to the starting of the power operation of the machine, gripper-opening springs against the resistance of which said means is effective thus to close the grippers, locldng devices for holding the grippers closed, and automatic means for operating said locking devices in the power operation of the machine to release the grippers and permit them to open.

20. In a power-operated machine for shaping uppers over lasts, grippers arranged to grip the margin of an upper on a last at the end and the sides of the forepart respectively, means for effecting relative movement of said grippers and the last to cause the grippers to pull the upper in the power operation of the machine, means for moving the side grippers in directions Widthwise of the last from retracted positions into upper-gripping positions and for closing the end and side grippers on the upper prior to the starting of the power operation of the machine, springs tending to open the grippers and to return the side, grippers to their starting positions, devices for holding the grippers closed and the side grippers in their upper-gripping positions against the resistance of said springs, and automatic means for operating said devices in the power operation of the machine to release the grippers to the action of said springs.

21. In a power-operated machine for shaping uppers over lasts, grippers arranged to grip the margin of an upper on a last at the end and the sides of the forepart respectively, means for effecting relative movement of said grippers and the last to cause the grippers to pull the upper in the power operation of the machine, means movable by the operator to close the end gripper and the side grippers on the upper prior to the starting of the power operation of the machine, springs tending to open said grippers, devices associated respectively with the difierent grippers for holding them closed, automatic means for operating said devices in the power operation of the machine to release the grippers to the action of said springs, and means to enable the operator to operate any one of said devices separately to release the gripper associated therein response to another movement of said member, and means for effecting relative movement of said grippers and the last to cause the grippers to pull the upper only after all the grippers have thus been closed.

23. In a machine for shaping uppers over lasts, an end gripper and side grippers arranged to grip the margin of an upper on a last at the end and the sides of the forepart respectively, a gripper-controlling member movable by the operator, means for closing the end gripper on the upper in response to one movement of said member, means for moving the side grippers from retracted positions into upper-gripping positions and for then closing them on the upper. in response to another movement of said member, and means for effecting relative movement of said grippers and the last to cause the grippers to pull the upper only after all the grippers have thus been closed.

24. In a machine for shaping uppersover lasts, an endgripper and side grippers arranged to grip the margin of an upper on a last at the end and the sides of the forepart respectively, and means comprising a member movable by the operator and common to all said grippers for moving the side grip-pers from retracted positions into uppergripping positions and for closing the end and side grippers on the upper prior to the pulling of the upper by any of the grippers.

25. In a machine for shaping uppers over lasts, an end gripper and side grippers arranged to grip the margin of an upper on a last at the end and the sides of the forepart respectively, gripper-closing mechanisms associated respectively with said end and side grippers for closing themto grip the upper, a member common to said different mechanisms and movable to cause them to close the grippers, and means operative in response to resistance of the end-gripper-closing mechanism to the movement of said member: to prevent the member from operating on the side-gripper-closing mechanisms until after the end gripper has been closed.

26. In a machine for shaping uppers over lasts,

' an end gripper and side grippers arranged to grip the margin of an upper on a lastat the end and the sides of the forepart respectively, gripperclosing mechanisms associated respectively with said end and side grippers for closing them to grip the upper, a member common to said different mechanisms and movable to cause them to close the grippers, and a device for transmitting movement from said member to theside-gripperclosing mechanisms, said device comprising parts relatively displaceable in response to resistance of the end-gripper-olosing mechanism to the movement of said member to prevent the member from acting on the side-gripper-closing mechanisms until after the end gripper has been closed and the member has been returned toward starting position.

27. In a machine for shaping uppers over lasts,

an end gripper and side grippers arranged to grip the margin of an upper on a last at the end and the sides of the forepart respectively, gripper-closing mechanisms associated respectively with said end and side grippers for closing them to grip the upper, a member common to said different mechanisms and movable to cause them to close the grippers, a shaft rotatable by said member to operate the side-gripper-closing mechanisms, and a pawl for rotating said shaft by movement of said member, said pawl being displaceable from operative position in response to resistance of the end-gripper-closing mechanism to the movement of said member to prevent rotation of the shaft until after the end. gripper has been closed and the member has been returned toward starting position.

28. In a machine for shaping uppers over lasts, an end gripper and side grippers arranged to grip the margin of an upper on a last at the end and the sides of the forepart respectively, gripperclosing mechanisms associated respectively with said .end and side grippers for closing them to grip the upper, a lever common to said different mechanisms and movable to cause them to close the grippers, a member movable by said lever to operate the side-gripper-closing mechanisms, a pawl pivotally mounted between itsrends on said lever for operating said member by the movement of the lever, a spring for normally holding said pawl with one end thereof in operative relation to said member, and alconnection between the other end of said pawl and the end-gripper-closing mechanism for displacing said pawl from operative position in response to resistance of said last-named mechanism to the movement of the lever and for thus preventing operation of said member by the pawl until the end gripper has been closed and the lever is again operated after its return toward starting position.

29. In a machine for shaping uppers over lasts, grippers arranged respectively to grip different portions of the margin of an upper on a last and to pull the upper, gripper-closing mechanisms associated respectively with the different grippers for closing them to grip the upper, a member common to said different mechanisms and movable to cause them to close the grippers, and means operative in response to resistance of one of said mechanisms to the movement of said member to prevent the member from acting on the mocha nism associated with another gripper until after it has acted on said first-named mechanism to cause the gripper controlled thereby to close.

30. In a machine for shaping uppers over lasts, grippers arranged respectivelyto'grip different portions of the margin of an upper on a last and to pull the upper, gripper-closing mechanisms associated respectivol-y with the different grippers for closing them to grip the upper; a member common to said different mechanisms and morable to cause them to close the grippers, and a device for transmitting movement from said member to one of said mechanisms'said device comprising parts relatively displaceable in response to resistance of another of said mechanisms to the movement of said member to pre' vent the member from acting on said first-named mechanism until after the gripper controlled by the other mechanism has been closed and the inember has been returned toward starting posiion. 7

$1. In a machine for shaping uppers over lasts, grippers arranged to grip the margin of an upper at opposite sides of a, last, said gripper-sheing arranged to extend generallywidthwise of the last and having upper-gripping jaws at their inner ends, means for effecting relative bodily movement of said grippers and the last in a direction heightwise of the last to cause the grip--' pers to pull the upper, the grippers being so mounted as to permit them to swing in directions heightwise of the last, levers also mounted for swinging movements in directions heightwise of the last and arranged to control the swinging of the grippers, and spring means controlling said levers and yieldable in response to pull of the upper on the grippers in the upper-pulling operation.

32. In a machine for shaping uppers over lasts, grippers arranged to grip the margin of an up per at opposite sides of a last, said grippers: being arranged to extend generally widthwise of the last and having upper-gripping jaws at their inner ends, means for efiecting relative bodily movement of said grippers and the last in a direction heightwise of the last to cause the grippers to pull the upper, the grippers being so mounted as to permit them to swing in directions heightwise of the last, levers also mounted for swinging movements in directions heightwise of the last and arranged to support the grippers at their inner end portions, the grippers being movable Widthwise of the last relatively to said levers, and spring means controlling said levers and yieldab-le in response to pull of the upper on the grippers in the upper-pulling operation.

33. In a machine for shaping uppers over lasts, grippers arranged to grip the margin of an upper at opposite sides of a last, said grippers being arranged to extend generally widthwise of the last and having upper-gripping jaws at their inner ends, means for effecting relative bodily movement of said grippers and the last in a direction heightwise of the last to cause the grippers to pull the upper, the grippers being so mounted .as to permit them to swing in directions heightwise of the last, levers also mounted to swing in directions heightwise of the last and arranged to control the swinging of the grippers, springs tending to swing said levers each in one direction and yieldable in response to pull of the upper 0n the grippers in the upper-pulling operation, and means for adjustably limiting the movements of said levers under the influence of the springs and for thereby variably determining the normal positions of the upper-gripping jaws heightwise of the last.

34. In a machine for shaping uppers over lasts, grippers arranged to grip the margin of an upper at opposite sides of a'last, said grippers being arranged "to extend generally widthwise of the last and having upper-gripping jaws at their inner ends, means for eiTecti-ng relative bodily,

movement of said grippers and the last in a direction heightwise of the last to cause the grippers to pull the upper, means supporting said grippers at their outer end portions for swinging movements in directions heightwise of the last, levers mounted for swinging movements in directions heightwise of the last and arranged to support the grippers at their inner end portions, and springs tending to swing said levers each in one direction and yieldable in response to pull of the upper on the grippers in the upper-pulling operation.

35. In a machine for shaping uppers over lasts, grippers arranged to grip the margin of an upper at opposite sides of a last, said grippers being mounted for movements from initial retracted positions to upper-grippng positions, means for limiting said movements of the grippers, a member common to said difierent grippers, and means for moving the grippers from their initial positions to the positions determined by said limiting means by movement of said member and for thereafter closing the grippers on the margin of the upper by further movement of said member.

36. Ina machine for shaping uppers over lasts,

grippers arranged to grip the margin of an upper at opposite sides'of a last, said grippers being arranged to extend generally widthwise of the last and having upper-gripping jaws at their inner ends, the grippers being also mounted for inward movements widthwise of the last to carry the jaws from initial retracted positions to upper-gripping positions, means for limiting said movements of the grippers, a member movable by the operator and common to said different grippers, and means for moving the grippers inwardly from their initial positions. to the positions determined by said limiting means by movement of said member and for thereafter effecting relative closing movements of their jaws by further movement of said member.

3'7. In a machine for shaping uppers over lasts, grippers arranged to grip the margin of an upper at opposite sides of a last, said grippers each having a pair of upper-gripping jaws and being mounted for movements widthwise of the last to carry the jaws from initial retracted positions to upper-gripping positions, means for limiting said movements of the grippers, a member movable by the operator and common to said different grippers, means for moving the grippers from their initial positions to the positions determined by said limiting means by'movement of said member and for thereafter 'eifectingrela tive closing movements of their-jaws lay-further movement of said member, springs tending to open the jaws and to return the grippers to their initial positions, and devices associated respectively with the different grippers for locking them in their upper-gripping positions with the jaws closed.

38. In a machine for shaping uppers over lasts, the combination with means. for supporting a last with an upper thereon, of upper-pulling means comprising jaw-carrying members arranged to extend generally widthwise of the last at the opposite sides thereof and each having a pair of upper-gripping jaws at its inner end, said members being mounted for inward movements widthwise of the last to carry the jaws from initial retracted positions to upper-gripping positions, means for limiting the inward movements of said members, operating members associated respectively with said jaw-carrying members, and means for first moving the jawcarrying members inwardly by movements of said operating members and for thereafter effecting relative closing movements of the jaws by further movements of said operating members while the jaw-carrying members are at the limits of their inward movements,

39. In a machine for shaping uppers over lasts, the combination with means for supporting a last with an upper thereon, of upper-pulling means comprising jaw-carrying members arranged to extend generally widthwise of the last at the opposite sides thereof and each having a pair of upper-gripping jaws at its inner end, said members being mounted for inward movements widthwise of the last to carry the jaws from initial retracted positions to upper-gripping positions, means for limiting the inward movements of said members, operating members associated respectively with said jaw-carrying members, means for first moving the jaw-carrying members inwardly by movements of said operating members and for thereafter effecting relative closing movements of the jaws by further movements of said operating members while the jaw-carrying members are at the limits. of their inward movements, springs against the resistance of which the operating members are thus movable, and devices for locking the operating members to hold the jaw-carrying members at the limits of their inward movements with the jaws closed.

40. In a machine for shaping uppers over lasts, the combination with means for supporting a last with an upper thereon, of upper-pulling means comprising jaw-carrying members arranged to extend generally widthwise of the last at the opposite sides thereof and each having a pair of upper-gripping jaws at its inner end, said members being mounted for inward movements widthwise of the last to carry the jaws from initial retracted positions to upper-gripping positions, means for limiting the inward movements of said members, crank members associated respectively with said jaw-carrying members and mounted for swinging movements in directions widthwise of the last, and means for first moving the jaw-carrying members inwardly by movements of said crank members and for thereafter effecting relative closing move ments .of the jaws by further movements of the crankmembers while the jaw-carrying members are at the limits of their inward movements.

41. In a machine for shaping uppers over lasts, the combination with means for supporting a last with an upper thereon, of upper-pulling means comprising jaw-carrying members arranged to extend generally widthwise of the last at the opposite sides thereof and each having a pair of upper-gripping jaws at its inner end,

said members being mounted for inward movements widthwise of the last to carry the jaws from initial retracted positions to upper-grim ping positions, means for limiting the inward movements of said members, operating members associated respectively with said jaw-carrying members, jaw-closing rods movable inwardly by said operating members, and springs for transmitting force fromsaid rods to the jaw-carrying members to move said members inwardly prior to the closing of the jaws, said springs being yieldable to permit the closing of the jaws thereafter by further movements of the rods.

42. In a machine for shaping uppers over lasts, the combination with means for supporting a last with an upper thereon, of upper-pulling means comprising jaw-carrying members ar ranged to extend generally widthwise of the last at the opposite sides thereof and each having a pair of upper-gripping jaws at its inner end, said members being mounted for inward move- 'ments widthwise of the last to carry the jaws from initial retracted positions to upper-gripping positions, means for limiting the inward movements of said members, crank members associated respectively with said jaw-carrying members and mounted for swinging movements in directions widthwise of the last, jaw-closing rods movable inwardly by said crank members, springs through which the rods are thus operated by the crank members, and other springs arranged to move the jaw-carrying members inwardly by the movements of the rods and yieldable thereafter to permit the closing of the jaws by further movements of the rods.

43. In a machine for shaping uppers over lasts, the combination with means for positioning a 'last with an upper thereon, of upper-pulling means comprising a gripper arranged to extend generally in a direction other than heightwise of the last and having a pair of upper-gripping jaws at one end thereof, means providing a fulcrum for said gripper about which it may swing in directions heightwise of the last, and a, spring controlled lever mounted to swing in directions heightwise of the last and arranged to control the swinging of the gripper, said lever being yieldingly movable in response to resistance of the upper to the pull applied thereto by the gripper in the upper-pulling operation.

44. In a machine for shaping uppers over lasts, the combination with means for positioning a last with an upper thereon, of upper-pulling means comprising a gripper arranged to extend generally in a direction other than heightwise of the last and having a pair of upper-gripping jaws at one end thereof, means supporting said gripper in a location comparatively remote from its jaws for swinging movements in directions heightwise of the last, a lever mounted to swing. in directions heightwise of the last and supporting the gripper in a location nearer the jaws, and a spring controlling said lever and yieldable in response to resistance of the upper to the pull applied thereto by the gripper in the upper-pulling operation.

45. In a machine for shaping uppers over lasts, the combination with means for positioning a last With an upper thereon, of upper-pulling means comprising a jaw-carrying member having a pair of upper-gripping jaws thereon, said memher being mounted for movement to carry the jaws bodily from an initial retracted position to upper-gripping position, means for limiting said movement of the jaw-carrying member, a jawclosing member movable relatively to said jawcarryin'g member to effect relative closing movement of the jaws, and means for imparting said movement to the jaw-carrying member by movement of the jaw-closing member in jaw-closing direction prior to the closingof thejaws.

46. In a machine for shaping uppers over lasts, the combination with means for positioning a last with an upper thereon, of upper-pulling means comprising a jaw-carrying member having .a pair of upper-gripping jaws thereon, said member being mounted for movement to carry the jaws bodily from an initial retracted position to upper-gripping position, means for limiting said movement of the jaw-carrying member, a jaw-closing member movable relatively to said jaw-carrying member to effect relative closing movement of the jaws, a crank member for operating the jaw-closing member, means for imparting said movement to the jaw-carrying member by movement of the jaw-closing member in jawciosing direction prior to the closing of the jaws, and a device for locking said crank member to hold the jaw-carrying member at the limit of its movement with the jaws closed.

47, In a machine for shaping uppers over lasts, the combination with means for positioning a last with an upper thereon, of upper-pulling means comprising a jaw-carrying member having a pair of upper-gripping jaws thereon, said member being mounted for movement to carry the jaws bodily from an initial retracted position to upper-gripping position, means for limiting said movement of the jaw-carrying member, a jaw-closing rod movable relatively to said jawcarrying member to effect relative closing movement of the jaws, a spring on said rod for imparting said movement to the jaw-carrying member by movement of the rod in jaw-closing direction prior to the closing of the jaws, another spring on said rod, and means for operating the rod through said other spring.

BERNHARDT J ORGENSEN. 

